Sony has started selling the Sony Z Ultra Google Play edition with the latest Android version 4.4 KitKat through the Google Play store in the United States. The device Here's more info:

The device is based on the original Xperia Z Ultra but dropped the Xperia in branding and features a 2.2 GHz Qualcomm Snapdragon 800 quad-core processor, a 6.4" Full HD TRILUMINOS display for mobile, LTE, NFC, all contained in a dust-resistant and waterproof (IP55 and IP58) 6.5mm body, weighing just 212 grams.